40th Anniversary - GMCMI

Welcome to the Wonderful World of the GMC Motorhome!

In this section of the GMCMI website you will find the history, basic information, technical information and so much more. We are in the process of collecting items to be posted here to assist people interested in learning more, maintaining and enjoying this great motorhome.

We welcome additional items to be shared, contact us at or 651-300-9329.

We thank the authors of items posted on this website for their efforts to ensure that they are accurate. However, no warranty, either expressed or implied, is made concerning the validity or accuracy of posted materials. General Motors, GM and GMC are registered trademarks of General Motors Corporation.